CN111048696A - Display screen and manufacturing method thereof - Google Patents
Display screen and manufacturing method thereof Download PDFInfo
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- CN111048696A CN111048696A CN201911336129.9A CN201911336129A CN111048696A CN 111048696 A CN111048696 A CN 111048696A CN 201911336129 A CN201911336129 A CN 201911336129A CN 111048696 A CN111048696 A CN 111048696A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/856—Arrangements for extracting light from the devices comprising reflective means
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/841—Self-supporting sealing arrangements
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
- H10K50/865—Arrangements for improving contrast, e.g. preventing reflection of ambient light comprising light absorbing layers, e.g. light-blocking layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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Abstract
The application relates to a display screen and a manufacturing method. The display screen comprises a cover plate, a substrate, an organic light-emitting diode device, a black film layer and a reflecting insulating layer; the cover plate is provided with a window part and a non-window part surrounding the window part; the substrate is arranged opposite to the cover plate; the organic light emitting diode device is arranged on one surface of the substrate, which is adjacent to the cover plate; the black film layer is formed on one surface, adjacent to the substrate, of the non-window part of the cover plate; the reflection insulating layer is formed on one surface of the black film layer, which is deviated from the cover plate. Because the light-emitting angle of the display screen is changed, the visual angle display effect of the display screen is improved, and the brightness of light emitted from the window part of the display screen is improved. Compare in traditional display screen and need prepare metal silver layer and high transmission insulating layer twice rete on black printing ink layer, foretell display screen only need in black rete deviate from the one side preparation one deck reflection insulating layer of apron can, reduced the technology process of display screen, solved the lower problem of productivity of display screen.
Description
Technical Field
The present disclosure relates to display devices, and particularly to a display screen and a manufacturing method thereof.
Background
The Organic Light-Emitting Diode (OLED) has the advantages of self-luminescence, fast response speed, low power consumption, ultra-lightness, thinness, winding capability and the like, and is rapidly developed in the field of display equipment, so that the OLED display screen is widely applied to various high-end mobile phone brands, flagship machines and hand-carried products. For catering to the market trend of high screen occupation ratio and solving the problem of abnormal display effect of the display screen, a black film layer and a high-transmission insulating layer are coated on the surface of one side of the cover plate, which faces the OLED device, of the non-window part, so that the color between the display area and the frame area is closer, the black chromaticity of the display area and the frame area under the screen state is deepened, the effect of screen-saving integration black between the display area and the frame area is improved, and meanwhile, the printing ink layer is prevented from polluting the OLED device.
For a black display screen with a black screen, in a display state, an OLED device of the display screen emits light all around, most of the light incident on a black film layer is absorbed, and the brightness emitted from a window area of the display screen is weakened. In order to solve the problem that the brightness of light emitted from a window area of a display screen is weakened and meet the requirement of screen-saving integration black, a black ink layer and a high-reflectivity metal silver layer are coated on the surface of one side, facing an OLED device, of a non-window part of a cover plate of a traditional display screen, and then a high-transmission insulating layer is prepared in the whole display area, so that the brightness of the light emitted by the display screen cannot be greatly weakened, and meanwhile, the screen-saving integration black effect is enhanced.
However, the high-transmission insulating layer still absorbs a small amount of incident light, resulting in low brightness of the screen of the display screen; in addition, the display screen needs to be provided with two films, namely a metal silver layer and a high-transmission insulating layer, so that the process procedure of the display screen is increased, and the productivity of the display screen is low.
Disclosure of Invention
Accordingly, it is desirable to provide a display panel and a manufacturing method thereof, which can solve the problem of low brightness and low productivity of the screen of the display panel.
A display screen, comprising:
the cover plate is provided with a window part and a non-window part surrounding the window part;
the base plate is arranged opposite to the cover plate;
the organic light-emitting diode device is arranged on one surface, close to the cover plate, of the substrate;
the black film layer is formed on one surface, adjacent to the substrate, of the non-window part of the cover plate;
and the reflecting insulating layer is formed on one surface of the black film layer, which deviates from the cover plate.
In the display screen, the organic light-emitting diode device is arranged on one surface of the substrate, which is adjacent to the cover plate, so that the organic light-emitting diode device generates incident light towards the direction of the cover plate, and the black film layer is formed on one surface, which is adjacent to the substrate, of the non-window part of the cover plate, so that the display screen can achieve the effect of screen-turning-on and screen-turning-off integrated black; the reflective insulation layer is formed on one surface of the black film layer, which is far away from the cover plate, and has higher reflectivity to light rays, so that more incident light can be reflected to the window part to emit light; therefore, after multiple reflection and refraction, the interaction among the light beams is changed, the light emission of the display screen is improved, and the effect of improving the brightness of the display screen is achieved; compare in traditional display screen and need prepare metal silver layer and high transmission insulating layer twice rete on black printing ink layer, foretell display screen only need in black rete deviate from the one side preparation one deck reflection insulating layer of apron can, reduced the technology process of display screen, solved the lower problem of productivity of display screen.
In one embodiment, the reflective insulation layer is a ceramic thin film layer, so that the reflective insulation layer has high refractive index and reflectivity, and the display screen has a good light emitting effect.
In one embodiment, the material of the reflective insulation layer comprises at least one of barium titanate, titanium dioxide, zirconium oxide, chromium oxide, cuprous oxide or aluminum oxide, so that the reflective insulation layer has high refractive index and reflectivity.
In one embodiment, the reflective insulating layer is a nano polymer layer, so that the reflective insulating layer has high refractive index and reflectivity, and the display screen has a good light emitting effect.
In one embodiment, the black film layer is a black ink layer, so that the display screen can better achieve the effect of screen turning black.
In one embodiment, the reflective insulating layer is formed by vacuum evaporation or sputtering or laser evaporation or molecular beam epitaxy or spray pyrolysis or chemical vapor deposition processes.
A method of manufacturing a display screen, comprising:
providing a cover plate;
forming a black film layer on one surface of the cover plate;
placing the cover plate with the formed black film layer in a vacuum chamber, wherein one side of the cover plate with the formed black film layer faces to an evaporation dish in the vacuum chamber;
heating the evaporation pan to form a reflective insulation layer on one surface of the black film layer, which is far away from the cover plate;
and taking out the cover plate molded with the reflecting insulating layer.
The manufacturing method of the display screen comprises the steps of firstly providing a cover plate; then forming a black film layer on one surface of the cover plate; then, the cover plate with the black film layer is placed in a vacuum chamber, one side of the cover plate with the black film layer faces an evaporation dish in the vacuum chamber, and the reflection insulation layer is accurately formed on one side of the black film layer, which faces away from the cover plate; then heating the evaporating dish to make the metal oxide in the evaporating dish in molten or sublimed state to make the metal oxide evaporate and deposit on the surface of the black film layer departing from the cover plate, so that the surface of the black film layer departing from the cover plate is formed with a reflecting insulating layer; finally, taking out the cover plate with the formed reflective insulation layer; the organic light-emitting diode device can be arranged on one surface of the substrate, which is adjacent to the cover plate, so that the organic light-emitting diode device generates incident light towards the direction of the cover plate, and the black film layer is formed on one surface, which is adjacent to the substrate, of the non-window part of the cover plate, so that the display screen can achieve the effect of screen-turning-on and screen-turning-off integrated black; the reflective insulation layer is formed on one surface of the black film layer, which is far away from the cover plate, and has higher reflectivity to light rays, so that more incident light can be reflected to the window part to emit light; therefore, after multiple reflection and refraction, the interaction among the light beams is changed, the light emission of the display screen is improved, and the effect of improving the brightness of the display screen is achieved; compare in traditional display screen and need prepare metal silver layer and high transmission insulating layer twice rete on black printing ink layer, foretell display screen only need in black rete deviate from the one side preparation one deck reflection insulating layer of apron can, reduced the technology process of display screen, solved the lower problem of productivity of display screen.
In one embodiment, before the step of placing the cover plate formed with the black film layer in a vacuum chamber, the manufacturing method further includes:
and vacuumizing the vacuum chamber to enable the vacuum chamber to better meet the vacuum evaporation requirement, so that the reflecting insulating layer is better formed on the black film layer.
In one embodiment, before the step of evacuating the vacuum chamber, the manufacturing method further includes:
metal oxide was added to the evaporation dish.
In one embodiment, before the step of heating the evaporation pan, and after the step of placing the cover plate formed with the black film layer in a vacuum chamber, the manufacturing method further includes:
the cover plate is fixed, so that the cover plate is static relative to the vacuum chamber, and the forming precision of the transmitting insulating layer is improved.
Drawings
FIG. 1 is a schematic structural diagram of a display screen according to an embodiment;
FIG. 2 is a flow chart of a manufacturing method for manufacturing the display screen shown in FIG. 1;
FIG. 3 is another flow chart of a manufacturing method for manufacturing the display screen of FIG. 1;
FIG. 4 is another flow chart of a method of manufacturing the display panel of FIG. 1;
FIG. 5 is yet another flow chart of a method of manufacturing the display panel of FIG. 1;
FIG. 6 is yet another flow chart of a method of manufacturing the display panel of FIG. 1;
FIG. 7 is yet another flow chart of a method of manufacturing the display panel of FIG. 1;
fig. 8 is a further flowchart of a manufacturing method for manufacturing the display panel shown in fig. 1.
Detailed Description
To facilitate an understanding of the present application, a display panel and a method of manufacturing the same will be described more fully below with reference to the accompanying drawings. Preferred embodiments of the display and the method of manufacturing the same are shown in the drawings. However, the display screen and the method of manufacturing the same may be embodied in many different forms and are not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the display and its method of manufacture.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the display screen and the method of manufacturing the same is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the display screen 10 of an embodiment includes a cover plate 100, a substrate 200, an organic light emitting diode device 300, a black film layer 400, and a reflective insulation layer 500. The cover plate is provided with a viewing window portion 110 and a non-viewing window portion 120 surrounding the viewing window portion. In this embodiment, the non-window portion has an annular contour, and the non-window portion is disposed around the window portion. Specifically, the window portion and the non-window portion are concentrically arranged.
In one embodiment, the number of non-window sections is N, the number of window sections is N-1, and N is greater than 1. N non-window portions and N-1 window portions are concentrically arranged, and a window portion exists between every two adjacent non-window portions, so that the display screen has a better light emitting effect. In this embodiment, N is an integer greater than 1.
In one embodiment, the base plate is disposed opposite the cover plate. The organic light emitting diode device is arranged on one surface, close to the cover plate, of the substrate and generates incident light. The black film layer is formed on one surface of the non-window part of the cover plate, which is adjacent to the substrate. In this embodiment, the black film layer is disposed to be staggered with respect to the window portion of the cover plate, that is, the black film layer is formed to be offset with respect to the window portion of the cover plate, so that the incident light generated by the oled can be emitted through the window portion.
In one embodiment, the reflective insulation layer is formed on a surface of the black film layer, which is away from the cover plate, and reflects incident light.
According to the display screen, the organic light-emitting diode device is arranged on the surface, close to the cover plate, of the substrate, so that incident light is generated by the organic light-emitting diode device towards the cover plate, and the black film layer is formed on the surface, close to the substrate, of the non-window portion of the cover plate, so that the display screen can achieve the effect of screen-turning-on and screen-turning-off integration. Because the reflection insulating layer shaping is in the one side that the black rete deviates from the apron, the reflection insulating layer is higher to the reflectivity of light, can reflect more incident lights to window portion light-emitting, specifically, the incident light sees through organic light emitting diode's negative pole, reaches the positive pole surface through the reflection insulating layer reflection and refracts the back by window portion light-emitting many times, or reaches organic light emitting diode's positive pole reflection back light-emitting through the reflection insulating layer reflection. Therefore, after multiple reflection and refraction, the interaction among the light beams is changed, the light emitting of the display screen is improved, the effect of improving the brightness of the display screen is achieved, and the light emitting angle of the display screen is changed, so that the visual angle display effect of the display screen is improved, and the brightness of light emitted by the window part of the display screen is improved. Compare in traditional display screen and need prepare metal silver layer and high transmission insulating layer twice rete on black printing ink layer, foretell display screen only need in black rete deviate from the one side preparation one deck reflection insulating layer of apron can, reduced the technology process of display screen, solved the lower problem of productivity of display screen.
As shown in fig. 1, in one embodiment, a first gap 410 is formed at a position of the black film layer corresponding to the window portion of the cover plate, and a second gap 510 is formed at the reflective insulating layer corresponding to the first gap 410, so that the black film layer is staggered from the window portion of the cover plate, and thus, incident light generated by the oled device can be emitted through the window portion.
In order to make the display screen have a better light emitting effect, in one embodiment, the reflective insulation layer is a ceramic film layer, so that the reflective insulation layer has higher refractive index and reflectivity, and the display screen has a better light emitting effect.
In one embodiment, the material of the reflective insulation layer comprises at least one of barium titanate, titanium dioxide, zirconium oxide, chromium oxide, cuprous oxide, or aluminum oxide, so that the reflective insulation layer has a high refractive index. In this embodiment, the material of the reflective insulating layer is alumina. According to the fresnel formula:
R＝[(n1-n2)/(n1+n2)]^2
wherein R is the reflectivity, n1 and n2 are the refractive indexes of substances on two sides of the interface. For non-conductors, the intensity of the reflection of the non-conductor depends on the refractive index of the substance, the higher the refractive index, the higher the reflectivity. Therefore, the reflective insulating layer has a high reflectance because the reflective insulating layer has a high refractive index.
It is understood that in other embodiments, the reflective insulating layer is not limited to a ceramic film layer. In one embodiment, the reflective insulating layer is a nano polymer layer, so that the reflective insulating layer has high refractive index and reflectivity, and the display screen has a good light emitting effect.
In order to better realize the effect of turning off the screen into the integral black, in one embodiment, the black film layer is a black ink layer, so that the display screen can better realize the effect of turning off the screen into the integral black.
In one embodiment, the reflective insulating layer is formed by vacuum evaporation or sputtering or laser evaporation or molecular beam epitaxy or spray pyrolysis or chemical vapor deposition processes. In this embodiment, the reflective insulating layer is formed by a vacuum evaporation process. In one embodiment, the forming process of the reflective insulation layer is a vacuum evaporation process. In one embodiment, the reflective insulating layer is formed by a dc and rf sputtering process. In one embodiment, the shaping process of the reflective insulation layer is a laser evaporation process. In one embodiment, the forming process of the reflective insulation layer is a molecular beam epitaxy process. In one embodiment, the forming process of the reflective insulation layer is a spray pyrolysis process. In one embodiment, the forming process of the reflective insulation layer is a chemical vapor deposition process. In one embodiment, the process of forming the reflective insulation layer is a sol-gel process. In one embodiment, the reflective insulation layer is formed by a metal organic vapor deposition process.
In one embodiment, the reflective insulation layer may be formed by physical methods such as vacuum evaporation, direct current and radio frequency sputtering (including ion beam sputtering), laser evaporation, or molecular beam epitaxy, or by chemical methods such as spray pyrolysis, Chemical Vapor Deposition (CVD), Sol-Gel (Sol-Gel), and Metal Organic Chemical Vapor Deposition (MOCVD).
As shown in fig. 1, in an embodiment, the substrate and the cover plate are disposed in parallel, and the cover plate and the substrate are connected by a sintering package, such that a receiving cavity 10a is formed between the cover plate and the substrate. In particular, the edges of the cover plate and the base plate are connected by a sintered ring 12, so that the containment chamber has better sealing performance.
In one embodiment, the sintering ring is disposed around the organic light emitting diode, such that the organic light emitting diode is sealed in the accommodating cavity. In this embodiment, the number of the organic light emitting diode devices is plural, and the plural organic light emitting diode devices are distributed at intervals.
In order to make the reflective insulation layer have better light reflection performance, in one embodiment, the thickness of the reflective insulation layer is 50nm to 150nm, so that the reflective insulation layer has better light reflection performance. In this embodiment, the reflective insulating layer has a thickness of 110 nm.
The application also provides a manufacturing method of the display screen, which is used for manufacturing the display screen in any embodiment. In one embodiment, as shown in FIG. 2, the manufacturing method includes some or all of the following steps:
s101, providing a cover plate.
In one embodiment, the cover plate is provided with a viewing window portion and a non-viewing window portion surrounding the viewing window portion. In this embodiment, the non-window portion has an annular contour, and the non-window portion is disposed around the window portion. Specifically, the window portion and the non-window portion are concentrically arranged.
In one embodiment, the number of non-window sections is N, the number of window sections is N-1, and N is greater than 1. N non-window portions and N-1 window portions are concentrically arranged, and a window portion exists between every two adjacent non-window portions, so that the display screen has a better light emitting effect.
And S103, forming a black film layer on one surface of the cover plate. In this embodiment, the black film layer is a black ink layer. In one embodiment, the black film layer is formed on the non-window portion of the cover plate, and the black film layer is disposed to be staggered with the window portion of the cover plate, that is, the black film layer is formed to be avoided from the window portion of the cover plate, so that the incident light generated by the organic light emitting diode device can be emitted through the window portion.
And S105, placing the cover plate with the formed black film layer in a vacuum chamber. Wherein the one side that the apron shaping has the black rete faces evaporation ware in the vacuum chamber makes evaporation ware and black rete just right to make the better coating by vaporization of material shaping on the black rete in the evaporation ware.
S107, heating the evaporating dish to form a reflecting insulating layer on one surface of the black film layer, which is far away from the cover plate.
And S109, taking out the cover plate with the reflecting insulating layer.
The manufacturing method of the display screen comprises the steps of firstly providing a cover plate; then forming a black film layer on one surface of the cover plate; then, the cover plate with the black film layer is placed in a vacuum chamber, one side of the cover plate with the black film layer faces an evaporation dish in the vacuum chamber, and the reflection insulation layer is accurately formed on one side of the black film layer, which faces away from the cover plate; then heating the evaporating dish to make the metal oxide in the evaporating dish in molten or sublimed state to make the metal oxide evaporate and deposit on the surface of the black film layer departing from the cover plate, so that the surface of the black film layer departing from the cover plate is formed with a reflecting insulating layer; and finally, taking out the cover plate with the formed reflective insulation layer. The organic light emitting diode device can be arranged on one surface of the substrate, which is adjacent to the cover plate, so that the organic light emitting diode device generates incident light towards the direction of the cover plate. Because the reflection insulating layer shaping is in the one side that the black rete deviates from the apron, the reflection insulating layer is higher to the reflectivity of light, can reflect more incident lights to window portion light-emitting, specifically, the incident light sees through organic light emitting diode's negative pole, reaches the positive pole surface through the reflection insulating layer reflection and refracts the back by window portion light-emitting many times, or reaches organic light emitting diode's positive pole reflection back light-emitting through the reflection insulating layer reflection. Therefore, after multiple reflection and refraction, the interaction among the light beams is changed, the light emitting of the display screen is improved, the effect of improving the brightness of the display screen is achieved, and the light emitting angle of the display screen is changed, so that the visual angle display effect of the display screen is improved, and the brightness of light emitted by the window part of the display screen is improved. Compare in traditional display screen and need prepare metal silver layer and high transmission insulating layer twice rete on black printing ink layer, foretell display screen only need in black rete deviate from the one side preparation one deck reflection insulating layer of apron can, reduced the technology process of display screen, solved the lower problem of productivity of display screen.
In this embodiment, the manufacturing method of the display panel is implemented by using a thin film deposition apparatus of a vacuum evaporation method. In one embodiment, the thin film deposition apparatus includes an apparatus body in which a vacuum chamber is formed, an evaporation pan located in the vacuum chamber, an evaporation heater, a sample stage, and a sample heating stage. The bottom of the evaporation dish is abutted against the heating part of the evaporation heater, so that the evaporation dish is heated by the heat generated by the evaporation heater. The sample platform is located the vacuum chamber, and the sample platform is used for fixed position apron. The heating part of the sample heating table is abutted against the sample table, so that the sample heating table can heat the sample table.
As shown in fig. 3, in one embodiment, before the step of placing the cover plate formed with the black film layer in a vacuum chamber, the manufacturing method further includes:
and S104, vacuumizing the vacuum chamber to enable the vacuum chamber to better meet the vacuum evaporation requirement, so that the reflective insulating layer is better formed on the black film layer. In one embodiment, the vacuum level in the vacuum chamber is (10)-4～10-6) And multiplying by 1333Pa, so that the reflecting insulating layer is better formed on the black film layer.
As shown in fig. 4, in one embodiment, before the step S104 of evacuating the vacuum chamber, the manufacturing method further includes:
S102A, adding the metal oxide into the evaporating dish. In this embodiment, the metal oxide is alumina.
It is understood that in other embodiments, the metal oxide may also be replaced with a metal. As shown in fig. 5, in one embodiment, before the step S104 of evacuating the vacuum chamber, the manufacturing method further includes:
S102B1, adding metal into the evaporating dish.
S102B2, oxidizing the metal to form a metal oxide.
As shown in fig. 6, in one embodiment, before the step S107 of heating the evaporation pan, and after the step S105 of placing the cover plate formed with the black film layer in the vacuum chamber, the manufacturing method further includes:
S106A, the cover plate is fixed, the cover plate is made to be static relative to the vacuum chamber, and forming accuracy of the emission insulating layer is improved.
As shown in fig. 7, in one embodiment, before the step S106A of fixing the cover plate, and after the step S105 of placing the cover plate formed with the black film layer in a vacuum chamber, the manufacturing method further includes:
s106, aligning the mask plate with the position to be evaporated of the cover plate so that the mask plate is accurately aligned with the position to be evaporated of the cover plate. Furthermore, the mask plate and the part of the cover plate to be evaporated are subjected to precision alignment through the alignment mechanism, so that the mask plate and the part of the cover plate to be evaporated are quickly and accurately aligned. In this embodiment, the alignment mechanism is located in the vacuum chamber and is arranged on the sample stage, so that the sample stage can rapidly and accurately clamp the cover plate.
As shown in fig. 8, further, after the step S109 of taking out the cover plate on which the reflective insulating layer is molded, the manufacturing method further includes:
and S111, relatively positioning the substrate and the cover plate.
And S113, sintering and packaging the cover plate and the substrate to form a sintering ring between the cover plate and the substrate, so that the cover plate is tightly connected with the substrate.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (10)
1. A display screen, comprising:
the cover plate is provided with a window part and a non-window part surrounding the window part;
the base plate is arranged opposite to the cover plate;
the organic light-emitting diode device is arranged on one surface, close to the cover plate, of the substrate;
the black film layer is formed on one surface, adjacent to the substrate, of the non-window part of the cover plate;
and the reflecting insulating layer is formed on one surface of the black film layer, which deviates from the cover plate.
2. A display screen in accordance with claim 1, wherein the reflective insulating layer is a ceramic thin film layer.
3. A display screen as recited in claim 2, wherein the material of the reflective insulating layer comprises at least one of barium titanate or titanium dioxide or zirconium oxide or chromium oxide or cuprous oxide or aluminum oxide.
4. The display screen of claim 1, wherein the reflective insulating layer is a nano-polymer layer.
5. A display screen as recited in any one of claims 1-4, wherein the black film layer is a black ink layer.
6. A display screen in accordance with any one of claims 1 to 4, wherein the reflective insulating layer is formed by vacuum evaporation or sputtering or laser evaporation or molecular beam epitaxy or spray pyrolysis or a chemical vapour deposition process.
7. A method of manufacturing a display panel, comprising:
providing a cover plate;
forming a black film layer on one surface of the cover plate;
placing the cover plate with the formed black film layer in a vacuum chamber, wherein one side of the cover plate with the formed black film layer faces to an evaporation dish in the vacuum chamber;
heating the evaporation pan to form a reflective insulation layer on one surface of the black film layer, which is far away from the cover plate;
and taking out the cover plate molded with the reflecting insulating layer.
8. The method of manufacturing a display panel according to claim 7, wherein before the step of placing the cover plate on which the black film layer is formed in a vacuum chamber, the method further comprises:
and vacuumizing the vacuum chamber.
9. The method of manufacturing a display panel according to claim 8, wherein before the step of evacuating the vacuum chamber, the method further comprises:
metal oxide was added to the evaporation dish.
10. The manufacturing method of a display panel according to any one of claims 7 to 9, wherein before the step of heating the evaporation pan, and after the step of placing the cover plate on which the black film layer is formed in a vacuum chamber, the manufacturing method further comprises:
and fixing the cover plate.
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| CN201911336129.9A CN111048696B (en) | 2019-12-23 | 2019-12-23 | Display screen and manufacturing method thereof |
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| CN201911336129.9A CN111048696B (en) | 2019-12-23 | 2019-12-23 | Display screen and manufacturing method thereof |
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| CN111048696B CN111048696B (en) | 2022-09-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN111048696B (en) | 2022-09-06 |
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